forked from External/mage
1063 lines
47 KiB
Java
1063 lines
47 KiB
Java
/*
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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation are those of the
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* authors and should not be interpreted as representing official policies, either expressed
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* or implied, of BetaSteward_at_googlemail.com.
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*/
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package mage.game.combat;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.UUID;
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import mage.abilities.Ability;
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import mage.abilities.effects.RequirementEffect;
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import mage.abilities.effects.RestrictionEffect;
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import mage.abilities.keyword.CanAttackOnlyAloneAbility;
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import mage.abilities.keyword.CantAttackAloneAbility;
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import mage.abilities.keyword.VigilanceAbility;
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import mage.constants.Outcome;
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import mage.constants.Zone;
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import mage.filter.common.FilterControlledCreaturePermanent;
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import mage.filter.common.FilterCreatureForCombatBlock;
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import mage.filter.common.FilterPlaneswalkerPermanent;
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import mage.game.Game;
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import mage.game.events.GameEvent;
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import mage.game.permanent.Permanent;
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import mage.players.Player;
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import mage.players.PlayerList;
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import mage.target.common.TargetDefender;
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import mage.util.CardUtil;
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import mage.util.Copyable;
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import mage.util.trace.TraceUtil;
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/**
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* @author BetaSteward_at_googlemail.com
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*/
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public class Combat implements Serializable, Copyable<Combat> {
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private static FilterPlaneswalkerPermanent filterPlaneswalker = new FilterPlaneswalkerPermanent();
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private static FilterCreatureForCombatBlock filterBlockers = new FilterCreatureForCombatBlock();
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// There are effects that let creatures assigns combat damage equal to its toughness rather than its power
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private boolean useToughnessForDamage;
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protected List<CombatGroup> groups = new ArrayList<CombatGroup>();
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protected Map<UUID, CombatGroup> blockingGroups = new HashMap<UUID, CombatGroup>();
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protected Set<UUID> defenders = new HashSet<UUID>();
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// how many creatures attack defending player
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protected Map<UUID, Set<UUID>> numberCreaturesDefenderAttackedBy = new HashMap<UUID, Set<UUID>>();
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protected UUID attackerId; //the player that is attacking
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// <creature that can block, <all attackers that force the creature to block it>>
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protected Map<UUID, Set<UUID>> creatureMustBlockAttackers = new HashMap<UUID, Set<UUID>>();
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// which creature is forced to attack which defender(s). If set is empty, the creature can attack every possible defender
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private final Map<UUID, Set<UUID>> creaturesForcedToAttack = new HashMap<UUID, Set<UUID>>();
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private int maxAttackers = Integer.MIN_VALUE;
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public Combat() {
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this.useToughnessForDamage = false;
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}
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public Combat(final Combat combat) {
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this.attackerId = combat.attackerId;
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for (CombatGroup group : combat.groups) {
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groups.add(group.copy());
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}
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defenders.addAll(combat.defenders);
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for (Map.Entry<UUID, CombatGroup> group : combat.blockingGroups.entrySet()) {
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blockingGroups.put(group.getKey(), group.getValue());
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}
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this.useToughnessForDamage = combat.useToughnessForDamage;
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}
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public List<CombatGroup> getGroups() {
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return groups;
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}
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public Collection<CombatGroup> getBlockingGroups() {
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return blockingGroups.values();
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}
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public Set<UUID> getDefenders() {
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return defenders;
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}
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public List<UUID> getAttackers() {
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List<UUID> attackers = new ArrayList<UUID>();
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for (CombatGroup group : groups) {
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attackers.addAll(group.attackers);
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}
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return attackers;
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}
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public List<UUID> getBlockers() {
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List<UUID> blockers = new ArrayList<UUID>();
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for (CombatGroup group : groups) {
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blockers.addAll(group.blockers);
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}
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return blockers;
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}
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public boolean useToughnessForDamage() {
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return useToughnessForDamage;
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}
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public void setUseToughnessForDamage(boolean useToughnessForDamage) {
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this.useToughnessForDamage = useToughnessForDamage;
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}
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public void reset() {
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this.useToughnessForDamage = false;
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}
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public void clear() {
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groups.clear();
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blockingGroups.clear();
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defenders.clear();
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attackerId = null;
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creatureMustBlockAttackers.clear();
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numberCreaturesDefenderAttackedBy.clear();
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creaturesForcedToAttack.clear();
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maxAttackers = Integer.MIN_VALUE;
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}
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public String getValue() {
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StringBuilder sb = new StringBuilder();
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sb.append(attackerId).append(defenders);
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for (CombatGroup group : groups) {
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sb.append(group.defenderId).append(group.attackers).append(group.attackerOrder).append(group.blockers).append(group.blockerOrder);
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}
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return sb.toString();
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}
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public void setAttacker(UUID playerId) {
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this.attackerId = playerId;
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}
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/**
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* Add an additional attacker to the combat (e.g. token of Geist of Saint
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* Traft) This method doesn't trigger ATTACKER_DECLARED event (as intended).
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*
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* @param creatureId - creature that shall be added to the combat
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* @param game
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* @return
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*/
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public boolean addAttackingCreature(UUID creatureId, Game game) {
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Player player = game.getPlayer(attackerId);
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if (defenders.size() == 1) {
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declareAttacker(creatureId, defenders.iterator().next(), game);
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return true;
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} else {
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TargetDefender target = new TargetDefender(defenders, creatureId);
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target.setRequired(true);
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player.chooseTarget(Outcome.Damage, target, null, game);
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if (target.getFirstTarget() != null) {
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declareAttacker(creatureId, target.getFirstTarget(), game);
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return true;
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}
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}
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return false;
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}
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public void selectAttackers(Game game) {
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if (!game.replaceEvent(GameEvent.getEvent(GameEvent.EventType.DECLARING_ATTACKERS, attackerId, attackerId))) {
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Player player = game.getPlayer(attackerId);
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//20101001 - 508.1d
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checkAttackRequirements(player, game);
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player.selectAttackers(game, attackerId);
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if (game.isPaused() || game.isGameOver()) {
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return;
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}
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checkAttackRestrictions(player, game);
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resumeSelectAttackers(game);
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}
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}
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public void resumeSelectAttackers(Game game) {
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Player player = game.getPlayer(attackerId);
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for (CombatGroup group : groups) {
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for (UUID attacker : group.getAttackers()) {
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game.fireEvent(GameEvent.getEvent(GameEvent.EventType.ATTACKER_DECLARED, group.defenderId, attacker, attackerId));
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}
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}
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game.fireEvent(GameEvent.getEvent(GameEvent.EventType.DECLARED_ATTACKERS, attackerId, attackerId));
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game.informPlayers(new StringBuilder(player.getName()).append(" attacks with ").append(groups.size()).append(" creatures").toString());
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}
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protected void checkAttackRequirements(Player player, Game game) {
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//20101001 - 508.1d
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for (Permanent creature : player.getAvailableAttackers(game)) {
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boolean mustAttack = false;
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Set<UUID> defendersForcedToAttack = new HashSet<UUID>();
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for (Map.Entry entry : game.getContinuousEffects().getApplicableRequirementEffects(creature, game).entrySet()) {
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RequirementEffect effect = (RequirementEffect) entry.getKey();
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if (effect.mustAttack(game)) {
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mustAttack = true;
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for (Ability ability : (HashSet<Ability>) entry.getValue()) {
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UUID defenderId = effect.mustAttackDefender(ability, game);
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if (defenderId != null) {
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defendersForcedToAttack.add(defenderId);
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}
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break;
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}
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}
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}
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if (mustAttack) {
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creaturesForcedToAttack.put(creature.getId(), defendersForcedToAttack);
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if (defendersForcedToAttack.isEmpty()) {
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if (defenders.size() == 1) {
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player.declareAttacker(creature.getId(), defenders.iterator().next(), game);
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} else {
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TargetDefender target = new TargetDefender(defenders, creature.getId());
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target.setRequired(true);
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if (player.chooseTarget(Outcome.Damage, target, null, game)) {
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player.declareAttacker(creature.getId(), target.getFirstTarget(), game);
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}
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}
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} else {
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player.declareAttacker(creature.getId(), defendersForcedToAttack.iterator().next(), game);
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}
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}
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}
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}
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protected void checkAttackRestrictions(Player player, Game game) {
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int count = 0;
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for (CombatGroup group : groups) {
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count += group.getAttackers().size();
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}
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if (count > 1) {
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List<UUID> tobeRemoved = new ArrayList<UUID>();
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for (CombatGroup group : groups) {
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for (UUID attackingCreatureId : group.getAttackers()) {
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Permanent attacker = game.getPermanent(attackingCreatureId);
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if (count > 1 && attacker != null && attacker.getAbilities().containsKey(CanAttackOnlyAloneAbility.getInstance().getId())) {
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game.informPlayers(attacker.getName() + " can only attack alone. Removing it from combat.");
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tobeRemoved.add(attackingCreatureId);
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count--;
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}
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}
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}
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for (UUID attackingCreatureId : tobeRemoved) {
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this.removeAttacker(attackingCreatureId, game);
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}
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}
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if (count == 1) {
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List<UUID> tobeRemoved = new ArrayList<UUID>();
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for (CombatGroup group : groups) {
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for (UUID attackingCreatureId : group.getAttackers()) {
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Permanent attacker = game.getPermanent(attackingCreatureId);
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if (attacker != null && attacker.getAbilities().containsKey(CantAttackAloneAbility.getInstance().getId())) {
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game.informPlayers(attacker.getName() + " can't attack alone. Removing it from combat.");
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tobeRemoved.add(attackingCreatureId);
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}
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}
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}
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for (UUID attackingCreatureId : tobeRemoved) {
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this.removeAttacker(attackingCreatureId, game);
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}
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}
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}
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public void selectBlockers(Game game) {
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if (!game.replaceEvent(GameEvent.getEvent(GameEvent.EventType.DECLARING_BLOCKERS, attackerId, attackerId))) {
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game.getCombat().selectBlockers(null, game);
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}
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}
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/**
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* Handle the blocker selection process
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*
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* @param blockController player that controlls how to block, if null the
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* defender is the controller
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* @param game
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*/
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public void selectBlockers(Player blockController, Game game) {
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Player attacker = game.getPlayer(attackerId);
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//20101001 - 509.1c
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this.retrieveMustBlockAttackerRequirements(attacker, game);
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for (UUID defenderId : getPlayerDefenders(game)) {
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Player defender = game.getPlayer(defenderId);
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if (defender != null) {
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boolean choose = true;
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if (blockController == null) {
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blockController = defender;
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}
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while (choose) {
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blockController.selectBlockers(game, defenderId);
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if (game.isPaused() || game.isGameOver()) {
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return;
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}
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if (!this.checkBlockRestrictions(defender, game)) {
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if (blockController.isHuman()) { // only human player can decide to do the block in another way
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continue;
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}
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}
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choose = !this.checkBlockRequirementsAfter(defender, blockController, game);
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if (!choose) {
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choose = !this.checkBlockRestrictionsAfter(defender, blockController, game);
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}
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}
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game.fireEvent(GameEvent.getEvent(GameEvent.EventType.DECLARED_BLOCKERS, defenderId, defenderId));
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// add info about attacker blocked by blocker to the game log
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this.logBlockerInfo(defender, game);
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}
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}
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// tool to catch the bug about flyers blocked by non flyers or intimidate blocked by creatures with other colors
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TraceUtil.traceCombatIfNeeded(game, this);
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}
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/**
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* Add info about attacker blocked by blocker to the game log
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*
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*/
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private void logBlockerInfo(Player defender, Game game) {
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boolean shownDefendingPlayer = false;
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for (CombatGroup group : this.getGroups()) {
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if (group.defendingPlayerId.equals(defender.getId())) {
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if (!shownDefendingPlayer) {
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game.informPlayers(new StringBuilder("Attacked player: ").append(defender.getName()).toString());
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shownDefendingPlayer = true;
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}
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StringBuilder sb = new StringBuilder();
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for (UUID attackingCreatureId : group.getAttackers()) {
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Permanent attackingCreature = game.getPermanent(attackingCreatureId);
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if (attackingCreature != null) {
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sb.append(attackingCreature.getName()).append(" (");
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sb.append(attackingCreature.getPower().getValue()).append("/").append(attackingCreature.getToughness().getValue()).append(") ");
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} else {
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// creature left battlefield
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attackingCreature = (Permanent) game.getLastKnownInformation(attackingCreatureId, Zone.BATTLEFIELD);
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if (attackingCreature != null) {
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sb.append(attackingCreature.getName()).append(" [left battlefield)] ");
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}
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}
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}
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if (group.getBlockers().size() > 0) {
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sb.append("blocked by ");
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for (UUID blockingCreatureId : group.getBlockers()) {
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Permanent blockingCreature = game.getPermanent(blockingCreatureId);
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if (blockingCreature != null) {
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sb.append(blockingCreature.getName()).append(" (");
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sb.append(blockingCreature.getPower().getValue()).append("/").append(blockingCreature.getToughness().getValue()).append(") ");
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}
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}
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} else {
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sb.append("unblocked");
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}
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game.informPlayers(sb.toString());
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}
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}
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}
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/**
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* Check the block restrictions
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*
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* @param player
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* @param game
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* @return false - if block restrictions were not complied
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*/
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public boolean checkBlockRestrictions(Player player, Game game) {
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int count = 0;
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boolean blockWasLegal = true;
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for (CombatGroup group : groups) {
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count += group.getBlockers().size();
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}
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for (CombatGroup group : groups) {
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blockWasLegal &= group.checkBlockRestrictions(game, count);
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}
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return blockWasLegal;
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}
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public void acceptBlockers(Game game) {
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for (CombatGroup group : groups) {
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group.acceptBlockers(game);
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}
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}
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public void resumeSelectBlockers(Game game) {
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//TODO: this isn't quite right - but will work fine for two-player games
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for (UUID defenderId : getPlayerDefenders(game)) {
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game.fireEvent(GameEvent.getEvent(GameEvent.EventType.DECLARED_BLOCKERS, defenderId, defenderId));
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}
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}
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/**
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* Retrieves all requirements that apply and creates a Map with blockers and attackers
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* // Map<creature that can block, Set< all attackers the creature can block and force it to block the attacker>>
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*
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* @param player - attacker
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* @param game
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*/
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private void retrieveMustBlockAttackerRequirements(Player attackingPlayer, Game game) {
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if (!game.getContinuousEffects().existRequirementEffects()) {
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return;
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}
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for (Permanent possibleBlocker : game.getBattlefield().getActivePermanents(filterBlockers, attackingPlayer.getId(), game)) {
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for (Map.Entry<RequirementEffect, HashSet<Ability>> requirementEntry : game.getContinuousEffects().getApplicableRequirementEffects(possibleBlocker, game).entrySet()) {
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if (requirementEntry.getKey().mustBlock(game)) {
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for (Ability ability : requirementEntry.getValue()) {
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UUID attackingCreatureId = requirementEntry.getKey().mustBlockAttacker(ability, game);
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Player defender = game.getPlayer(possibleBlocker.getControllerId());
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if (attackingCreatureId != null && defender != null) {
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if (creatureMustBlockAttackers.containsKey(possibleBlocker.getId())) {
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creatureMustBlockAttackers.get(possibleBlocker.getId()).add(attackingCreatureId);
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} else {
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Set<UUID> forcingAttackers = new HashSet<UUID>();
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forcingAttackers.add(attackingCreatureId);
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creatureMustBlockAttackers.put(possibleBlocker.getId(), forcingAttackers);
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// assign block to the first forcing attacker automatically
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defender.declareBlocker(defender.getId(), possibleBlocker.getId(), attackingCreatureId, game);
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}
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}
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}
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}
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}
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}
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}
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/**
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* 509.1c The defending player checks each creature he or she controls to
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* see whether it's affected by any requirements (effects that say a
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* creature must block, or that it must block if some condition is met). If
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* the number of requirements that are being obeyed is fewer than the
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* maximum possible number of requirements that could be obeyed without
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* disobeying any restrictions, the declaration of blockers is illegal. If a
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* creature can't block unless a player pays a cost, that player is not
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* required to pay that cost, even if blocking with that creature would
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* increase the number of requirements being obeyed.
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*
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*
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* Example: A player controls one creature that "blocks if able" and another
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* creature with no abilities. An effect states "Creatures can't be blocked
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* except by two or more creatures." Having only the first creature block
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* violates the restriction. Having neither creature block fulfills the
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* restriction but not the requirement. Having both creatures block the same
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* attacking creature fulfills both the restriction and the requirement, so
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* that's the only option.
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*
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* @param player
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* @param controller
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* @param game
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* @return
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*/
|
|
public boolean checkBlockRequirementsAfter(Player player, Player controller, Game game) {
|
|
// Get once a list of all opponents in range
|
|
Set<UUID> opponents = game.getOpponents(attackerId);
|
|
//20101001 - 509.1c
|
|
// map with attackers (UUID) that must be blocked by at least one blocker and a set of all creatures that can block it and don't block yet
|
|
Map<UUID, Set<UUID>> mustBeBlockedByAtLeastOne = new HashMap<UUID, Set<UUID>>();
|
|
|
|
// check mustBlock requirements of creatures from opponents of attacking player
|
|
for (Permanent creature : game.getBattlefield().getActivePermanents(new FilterControlledCreaturePermanent(), player.getId(), game)) {
|
|
// creature is controlled by an opponent of the attacker
|
|
if (opponents.contains(creature.getControllerId())) {
|
|
|
|
// Creature is already blocking but not forced to do so
|
|
if (creature.getBlocking() > 0) {
|
|
// get all requirement effects that apply to the creature (e.g. is able to block attacker)
|
|
for (Map.Entry entry : game.getContinuousEffects().getApplicableRequirementEffects(creature, game).entrySet()) {
|
|
RequirementEffect effect = (RequirementEffect) entry.getKey();
|
|
// get possible mustBeBlockedByAtLeastOne blocker
|
|
for (Ability ability : (HashSet<Ability>) entry.getValue()) {
|
|
UUID toBeBlockedCreature = effect.mustBlockAttackerIfElseUnblocked(ability, game);
|
|
if (toBeBlockedCreature != null) {
|
|
Set<UUID> potentialBlockers;
|
|
if (mustBeBlockedByAtLeastOne.containsKey(toBeBlockedCreature)) {
|
|
potentialBlockers = mustBeBlockedByAtLeastOne.get(toBeBlockedCreature);
|
|
} else {
|
|
potentialBlockers = new HashSet<UUID>();
|
|
mustBeBlockedByAtLeastOne.put(toBeBlockedCreature, potentialBlockers);
|
|
}
|
|
potentialBlockers.add(creature.getId());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Creature is not blocking yet
|
|
if (creature.getBlocking() == 0) {
|
|
// get all requirement effects that apply to the creature
|
|
for (Map.Entry entry : game.getContinuousEffects().getApplicableRequirementEffects(creature, game).entrySet()) {
|
|
RequirementEffect effect = (RequirementEffect) entry.getKey();
|
|
// get possible mustBeBlockedByAtLeastOne blocker
|
|
for (Ability ability : (HashSet<Ability>) entry.getValue()) {
|
|
UUID toBeBlockedCreature = effect.mustBlockAttackerIfElseUnblocked(ability, game);
|
|
if (toBeBlockedCreature != null) {
|
|
Set<UUID> potentialBlockers;
|
|
if (mustBeBlockedByAtLeastOne.containsKey(toBeBlockedCreature)) {
|
|
potentialBlockers = mustBeBlockedByAtLeastOne.get(toBeBlockedCreature);
|
|
} else {
|
|
potentialBlockers = new HashSet<UUID>();
|
|
mustBeBlockedByAtLeastOne.put(toBeBlockedCreature, potentialBlockers);
|
|
}
|
|
potentialBlockers.add(creature.getId());
|
|
}
|
|
}
|
|
|
|
// check the mustBlockAny requirement ----------------------------------------
|
|
if (effect.mustBlockAny(game)) {
|
|
// check that it can block at least one of the attackers
|
|
// and no restictions prevent this
|
|
boolean mayBlock = false;
|
|
for (UUID attackingCreatureId : getAttackers()) {
|
|
if (creature.canBlock(attackingCreatureId, game)) {
|
|
// check restrictions of the creature to block that prevent it can be blocked
|
|
Permanent attackingCreature = game.getPermanent(attackingCreatureId);
|
|
if (attackingCreature != null && attackingCreature.getMinBlockedBy() > 1) {
|
|
// TODO: check if enough possible blockers are available, if true, mayBlock can be set to true
|
|
|
|
} else {
|
|
mayBlock = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
// if so inform human player or set block for AI player
|
|
if (mayBlock) {
|
|
if (controller.isHuman()) {
|
|
game.informPlayer(controller, "Creature should block this turn: " + creature.getName());
|
|
} else {
|
|
Player defender = game.getPlayer(creature.getControllerId());
|
|
if (defender != null) {
|
|
for (UUID attackingCreatureId : getAttackers()) {
|
|
if (creature.canBlock(attackingCreatureId, game)) {
|
|
defender.declareBlocker(defender.getId(), creature.getId(), attackingCreatureId, game);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// check attacking creature mustBeBlockedByAtLeastOne
|
|
for (UUID toBeBlockedCreatureId : mustBeBlockedByAtLeastOne.keySet()) {
|
|
for (CombatGroup combatGroup : game.getCombat().getGroups()) {
|
|
if (combatGroup.getBlockers().isEmpty() && combatGroup.getAttackers().contains(toBeBlockedCreatureId)) {
|
|
// creature is not blocked but has possible blockers
|
|
if (controller.isHuman()) {
|
|
Permanent toBeBlockedCreature = game.getPermanent(toBeBlockedCreatureId);
|
|
if (toBeBlockedCreature != null) {
|
|
// check if all possible blocker block other creatures they are forced to block
|
|
// read through all possible blockers
|
|
boolean possibleBlockerAvailable = false;
|
|
for (UUID possibleBlockerId : mustBeBlockedByAtLeastOne.get(toBeBlockedCreatureId)) {
|
|
Set<UUID> forcingAttackers = creatureMustBlockAttackers.get(possibleBlockerId);
|
|
if (forcingAttackers == null) {
|
|
// no other creature forces the blocker to block -> it's available
|
|
possibleBlockerAvailable = true;
|
|
break;
|
|
}
|
|
// get the attackers he blocks
|
|
List<UUID> blockedAttackers = null;
|
|
for (CombatGroup combatGroupToCheck : game.getCombat().getGroups()) {
|
|
if (combatGroupToCheck.getBlockers().contains(possibleBlockerId)) {
|
|
blockedAttackers = combatGroupToCheck.getAttackers();
|
|
break;
|
|
}
|
|
}
|
|
if (blockedAttackers == null) {
|
|
// he blocks no other creature -> it's available
|
|
possibleBlockerAvailable = true;
|
|
break;
|
|
}
|
|
|
|
// get attackers forcing the possible blocker to block
|
|
possibleBlockerAvailable = true;
|
|
for (UUID blockedAttackerId : blockedAttackers) {
|
|
if (creatureMustBlockAttackers.get(possibleBlockerId).contains(blockedAttackerId)) {
|
|
possibleBlockerAvailable = false;
|
|
break;
|
|
}
|
|
}
|
|
if (possibleBlockerAvailable) {
|
|
break;
|
|
}
|
|
}
|
|
if (possibleBlockerAvailable) {
|
|
game.informPlayer(controller, new StringBuilder(toBeBlockedCreature.getName()).append(" has to be blocked by at least one creature.").toString());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
// take the first potential blocker from the set to block for the AI
|
|
UUID blockingCreatureId = mustBeBlockedByAtLeastOne.get(toBeBlockedCreatureId).iterator().next();
|
|
Permanent blockingCreature = game.getPermanent(blockingCreatureId);
|
|
if (blockingCreature != null) {
|
|
Player defender = game.getPlayer(blockingCreature.getControllerId());
|
|
if (defender != null) {
|
|
defender.declareBlocker(defender.getId(), blockingCreatureId, toBeBlockedCreatureId, game);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
// check if creatures are forced to block but do not block at all or block creatures they are not forced to block
|
|
StringBuilder sb = new StringBuilder();
|
|
for (Map.Entry<UUID, Set<UUID>> entry : creatureMustBlockAttackers.entrySet()) {
|
|
boolean blockIsValid;
|
|
Permanent creatureForcedToBlock = game.getPermanent(entry.getKey());
|
|
if (creatureForcedToBlock == null) {
|
|
break;
|
|
}
|
|
// creature does not block -> not allowed
|
|
if (creatureForcedToBlock.getBlocking() == 0) {
|
|
blockIsValid = false;
|
|
} else {
|
|
blockIsValid = false;
|
|
// which attacker is he blocking
|
|
CombatGroups:
|
|
for (CombatGroup combatGroup : game.getCombat().getGroups()) {
|
|
if (combatGroup.getBlockers().contains(creatureForcedToBlock.getId())) {
|
|
for (UUID forcingAttackerId : combatGroup.getAttackers()) {
|
|
if (entry.getValue().contains(forcingAttackerId)) {
|
|
// the creature is blocking a forcing attacker, so the block is ok
|
|
blockIsValid = true;
|
|
break CombatGroups;
|
|
} else {
|
|
// check if the blocker blocks a attacker that must be blocked at least by one and is the only blocker, this block is also valid
|
|
if (combatGroup.getBlockers().size() == 1) {
|
|
if (mustBeBlockedByAtLeastOne.containsKey(forcingAttackerId)) {
|
|
if (mustBeBlockedByAtLeastOne.get(forcingAttackerId).contains(creatureForcedToBlock.getId())) {
|
|
blockIsValid = true;
|
|
break CombatGroups;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
if (!blockIsValid) {
|
|
sb.append(" ").append(creatureForcedToBlock.getName());
|
|
}
|
|
}
|
|
if (sb.length() > 0) {
|
|
sb.insert(0, "Some creatures are forced to block certain attacker(s):\n");
|
|
sb.append("\nPlease block with each of these creatures an appropriate attacker.");
|
|
game.informPlayer(controller, sb.toString());
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Checks the canBeBlockedCheckAfter RestrictionEffect Is the block still
|
|
* valid after all block decisions are done
|
|
*
|
|
* @param player
|
|
* @param controller
|
|
* @param game
|
|
* @return
|
|
*/
|
|
public boolean checkBlockRestrictionsAfter(Player player, Player controller, Game game) {
|
|
for (UUID attackingCreatureId : this.getAttackers()) {
|
|
Permanent attackingCreature = game.getPermanent(attackingCreatureId);
|
|
if (attackingCreature != null) {
|
|
for (Map.Entry entry : game.getContinuousEffects().getApplicableRestrictionEffects(attackingCreature, game).entrySet()) {
|
|
RestrictionEffect effect = (RestrictionEffect) entry.getKey();
|
|
for (Ability ability : (HashSet<Ability>) entry.getValue()) {
|
|
if (!effect.canBeBlockedCheckAfter(attackingCreature, ability, game)) {
|
|
if (controller.isHuman()) {
|
|
game.informPlayer(controller, new StringBuilder(attackingCreature.getName()).append(" can't be blocked this way.").toString());
|
|
return false;
|
|
} else {
|
|
// remove blocking creatures for AI
|
|
for (CombatGroup combatGroup : this.getGroups()) {
|
|
if (combatGroup.getAttackers().contains(attackingCreatureId)) {
|
|
for (UUID blockerId : combatGroup.getBlockers()) {
|
|
removeBlocker(blockerId, game);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
public void setDefenders(Game game) {
|
|
Set<UUID> opponents = game.getOpponents(attackerId);
|
|
PlayerList players;
|
|
switch (game.getAttackOption()) {
|
|
case LEFT:
|
|
players = game.getState().getPlayerList(attackerId);
|
|
while (true) {
|
|
Player opponent = players.getNext(game);
|
|
if (opponents.contains(opponent.getId())) {
|
|
addDefender(opponent.getId(), game);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case RIGHT:
|
|
players = game.getState().getPlayerList(attackerId);
|
|
while (true) {
|
|
Player opponent = players.getPrevious(game);
|
|
if (opponents.contains(opponent.getId())) {
|
|
addDefender(opponent.getId(), game);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case MULTIPLE:
|
|
for (UUID opponentId : game.getOpponents(attackerId)) {
|
|
addDefender(opponentId, game);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
private void addDefender(UUID defenderId, Game game) {
|
|
if (!defenders.contains(defenderId)) {
|
|
if (maxAttackers < Integer.MAX_VALUE) {
|
|
Player defendingPlayer = game.getPlayer(defenderId);
|
|
if (defendingPlayer != null) {
|
|
if (defendingPlayer.getMaxAttackedBy() == Integer.MAX_VALUE) {
|
|
maxAttackers = Integer.MAX_VALUE;
|
|
} else {
|
|
if (maxAttackers == Integer.MIN_VALUE) {
|
|
maxAttackers = defendingPlayer.getMaxAttackedBy();
|
|
} else {
|
|
maxAttackers += defendingPlayer.getMaxAttackedBy();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
defenders.add(defenderId);
|
|
for (Permanent permanent : game.getBattlefield().getAllActivePermanents(filterPlaneswalker, defenderId, game)) {
|
|
defenders.add(permanent.getId());
|
|
}
|
|
}
|
|
}
|
|
|
|
public boolean declareAttacker(UUID attackerId, UUID defenderId, Game game) {
|
|
if (!defenders.contains(defenderId)) {
|
|
return false;
|
|
}
|
|
Permanent defender = game.getPermanent(defenderId);
|
|
// Check if defending player can be attacked with another creature
|
|
if (!canDefenderBeAttacked(attackerId, defenderId, game)) {
|
|
return false;
|
|
}
|
|
|
|
CombatGroup newGroup = new CombatGroup(defenderId, defender != null, defender != null ? defender.getControllerId() : defenderId);
|
|
newGroup.attackers.add(attackerId);
|
|
Permanent attacker = game.getPermanent(attackerId);
|
|
if (!attacker.getAbilities().containsKey(VigilanceAbility.getInstance().getId())) {
|
|
attacker.tap(game);
|
|
}
|
|
attacker.setAttacking(true);
|
|
groups.add(newGroup);
|
|
return true;
|
|
}
|
|
|
|
public boolean canDefenderBeAttacked(UUID attackerId, UUID defenderId, Game game) {
|
|
Permanent defender = game.getPermanent(defenderId);
|
|
// Check if defending player can be attacked with another creature
|
|
if (defender != null) {
|
|
// a planeswalker is attacked, there exits no restriction yet for attacking planeswalker
|
|
return true;
|
|
}
|
|
Player defendingPlayer = game.getPlayer(defenderId);
|
|
if (defendingPlayer == null) {
|
|
return false;
|
|
}
|
|
Set<UUID> defenderAttackedBy;
|
|
if (numberCreaturesDefenderAttackedBy.containsKey(defendingPlayer.getId())) {
|
|
defenderAttackedBy = numberCreaturesDefenderAttackedBy.get(defendingPlayer.getId());
|
|
} else {
|
|
defenderAttackedBy = new HashSet<UUID>();
|
|
numberCreaturesDefenderAttackedBy.put(defendingPlayer.getId(), defenderAttackedBy);
|
|
}
|
|
if (defenderAttackedBy.size() >= defendingPlayer.getMaxAttackedBy()) {
|
|
Player attackingPlayer = game.getPlayer(game.getControllerId(attackerId));
|
|
if (attackingPlayer != null) {
|
|
game.informPlayer(attackingPlayer, new StringBuilder("No more than ")
|
|
.append(CardUtil.numberToText(defendingPlayer.getMaxAttackedBy()))
|
|
.append(" creatures can attack ")
|
|
.append(defendingPlayer.getName()).toString());
|
|
}
|
|
return false;
|
|
}
|
|
defenderAttackedBy.add(attackerId);
|
|
return true;
|
|
}
|
|
|
|
// add blocking group for creatures that block more than one creature
|
|
public void addBlockingGroup(UUID blockerId, UUID attackerId, UUID playerId, Game game) {
|
|
Permanent blocker = game.getPermanent(blockerId);
|
|
if (blockerId != null && blocker != null && blocker.getBlocking() > 1) {
|
|
if (!blockingGroups.containsKey(blockerId)) {
|
|
CombatGroup newGroup = new CombatGroup(playerId, false, playerId);
|
|
newGroup.blockers.add(blockerId);
|
|
// add all blocked attackers
|
|
for (CombatGroup group : groups) {
|
|
if (group.getBlockers().contains(blockerId)) {
|
|
// take into account banding
|
|
for (UUID attacker : group.attackers) {
|
|
newGroup.attackers.add(attacker);
|
|
}
|
|
}
|
|
}
|
|
blockingGroups.put(blockerId, newGroup);
|
|
} else {
|
|
//TODO: handle banding
|
|
blockingGroups.get(blockerId).attackers.add(attackerId);
|
|
}
|
|
}
|
|
}
|
|
|
|
public boolean removeFromCombat(UUID creatureId, Game game) {
|
|
boolean result = false;
|
|
Permanent creature = game.getPermanent(creatureId);
|
|
if (creature != null) {
|
|
creature.setAttacking(false);
|
|
creature.setBlocking(0);
|
|
for (CombatGroup group : groups) {
|
|
result |= group.remove(creatureId);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
public void endCombat(Game game) {
|
|
Permanent creature;
|
|
for (CombatGroup group : groups) {
|
|
for (UUID attacker : group.attackers) {
|
|
creature = game.getPermanent(attacker);
|
|
if (creature != null) {
|
|
creature.setAttacking(false);
|
|
creature.setBlocking(0);
|
|
}
|
|
}
|
|
for (UUID blocker : group.blockers) {
|
|
creature = game.getPermanent(blocker);
|
|
if (creature != null) {
|
|
creature.setAttacking(false);
|
|
creature.setBlocking(0);
|
|
}
|
|
}
|
|
}
|
|
clear();
|
|
}
|
|
|
|
public boolean hasFirstOrDoubleStrike(Game game) {
|
|
for (CombatGroup group : groups) {
|
|
if (group.hasFirstOrDoubleStrike(game)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public CombatGroup findGroup(UUID attackerId) {
|
|
for (CombatGroup group : groups) {
|
|
if (group.getAttackers().contains(attackerId)) {
|
|
return group;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public int totalUnblockedDamage(Game game) {
|
|
int total = 0;
|
|
for (CombatGroup group : groups) {
|
|
if (group.getBlockers().isEmpty()) {
|
|
total += group.totalAttackerDamage(game);
|
|
}
|
|
}
|
|
return total;
|
|
}
|
|
|
|
public boolean attacksAlone() {
|
|
return (groups.size() == 1 && groups.get(0).getAttackers().size() == 1);
|
|
}
|
|
|
|
public boolean noAttackers() {
|
|
return groups.isEmpty() || getAttackers().isEmpty();
|
|
}
|
|
|
|
public boolean isAttacked(UUID defenderId, Game game) {
|
|
for (CombatGroup group : groups) {
|
|
if (group.getDefenderId().equals(defenderId)) {
|
|
return true;
|
|
}
|
|
if (group.defenderIsPlaneswalker) {
|
|
Permanent permanent = game.getPermanent(group.getDefenderId());
|
|
if (permanent.getControllerId().equals(defenderId)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param attackerId
|
|
* @return uuid of defending player or planeswalker
|
|
*/
|
|
public UUID getDefenderId(UUID attackerId) {
|
|
UUID defenderId = null;
|
|
for (CombatGroup group : groups) {
|
|
if (group.getAttackers().contains(attackerId)) {
|
|
defenderId = group.getDefenderId();
|
|
break;
|
|
}
|
|
}
|
|
return defenderId;
|
|
}
|
|
|
|
public UUID getDefendingPlayerId(UUID attackerId, Game game) {
|
|
UUID defenderId = null;
|
|
for (CombatGroup group : groups) {
|
|
if (group.getAttackers().contains(attackerId)) {
|
|
defenderId = group.getDefenderId();
|
|
if (group.defenderIsPlaneswalker) {
|
|
Permanent permanent = game.getPermanent(defenderId);
|
|
if (permanent != null) {
|
|
defenderId = permanent.getControllerId();
|
|
} else {
|
|
defenderId = null;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return defenderId;
|
|
}
|
|
|
|
public Set<UUID> getPlayerDefenders(Game game) {
|
|
Set<UUID> playerDefenders = new HashSet<UUID>();
|
|
for (CombatGroup group : groups) {
|
|
if (group.defenderIsPlaneswalker) {
|
|
Permanent permanent = game.getPermanent(group.getDefenderId());
|
|
if (permanent != null) {
|
|
playerDefenders.add(permanent.getControllerId());
|
|
}
|
|
} else {
|
|
playerDefenders.add(group.getDefenderId());
|
|
}
|
|
}
|
|
return playerDefenders;
|
|
}
|
|
|
|
public void damageAssignmentOrder(Game game) {
|
|
for (CombatGroup group : groups) {
|
|
group.pickBlockerOrder(attackerId, game);
|
|
}
|
|
for (Map.Entry<UUID, CombatGroup> blockingGroup : blockingGroups.entrySet()) {
|
|
Permanent blocker = game.getPermanent(blockingGroup.getKey());
|
|
if (blocker != null) {
|
|
blockingGroup.getValue().pickAttackerOrder(blocker.getControllerId(), game);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void removeAttacker(UUID attackerId, Game game) {
|
|
for (CombatGroup group : groups) {
|
|
if (group.attackers.contains(attackerId)) {
|
|
group.attackers.remove(attackerId);
|
|
group.attackerOrder.remove(attackerId);
|
|
for (Set<UUID> attackingCreatures : numberCreaturesDefenderAttackedBy.values()) {
|
|
attackingCreatures.remove(attackerId);
|
|
}
|
|
Permanent creature = game.getPermanent(attackerId);
|
|
if (creature != null) {
|
|
creature.setAttacking(false);
|
|
creature.setTapped(false);
|
|
}
|
|
if (group.attackers.isEmpty()) {
|
|
groups.remove(group);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
public void removeBlocker(UUID blockerId, Game game) {
|
|
for (CombatGroup group : groups) {
|
|
if (group.blockers.contains(blockerId)) {
|
|
group.blockers.remove(blockerId);
|
|
group.blockerOrder.remove(blockerId);
|
|
if (group.blockers.isEmpty()) {
|
|
group.blocked = false;
|
|
}
|
|
}
|
|
}
|
|
Permanent creature = game.getPermanent(blockerId);
|
|
if (creature != null) {
|
|
creature.setBlocking(0);
|
|
}
|
|
}
|
|
|
|
public UUID getAttackerId() {
|
|
return attackerId;
|
|
}
|
|
|
|
public Map<UUID, Set<UUID>> getCreaturesForcedToAttack() {
|
|
return creaturesForcedToAttack;
|
|
}
|
|
|
|
public int getMaxAttackers() {
|
|
return maxAttackers;
|
|
}
|
|
|
|
@Override
|
|
public Combat copy() {
|
|
return new Combat(this);
|
|
}
|
|
|
|
}
|